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Doubles in session


Current system
20334-2054
HDS 2937
HD 195678


Nearby doubles
24' : 20330-2117
ARA1582

33' : 20354-2037
ARA1212

33' : 20342-2024
BHA 40

38' : 20310-2039
BRT2231

45' : 20363-2113
ARA1583

49' : 20358-2019
CVR1706

49' : 20345-2008
B 493

50' : 20325-2142
SEE 420

51' : 20333-2004
B 492

51' : 20361-2127
UC 4229

53' : 20320-2006
ARA1209

71' : 20384-2100
RST9008

72' : 20305-1955
OCC 190

73' : 20283-2048
CVR 870

76' : 20360-1948
AOT 85

78' : 20322-2209
HJ 2973AB

81' : 20335-2214
HJ 2975

81' : 20327-2213
UC 4210

87' : 20346-2219
LDS4850

93' : 20292-1943
GWP2958

94' : 20369-1934
AOT 87

95' : 20270-2023
DON 986

101' : 20297-2220
OCC 675

101' : 20399-2008
I 1426

102' : 20342-1913
UC 4217

107' : 20289-1928
SHN 245



Selections
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Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20334-2054 HDS 2937 (HD 195678)

 
 
20h 33m 26.03s -20° 53' 48.9" P.A. 333.00 sep 0.3 mag 9.29,11.34 Sp A9V dist. 248.76 pc (811.46 l.y.)
 
 
Coord 2000 20334-2054 Discov num HDS2937 Comp Coord arcsec 2000 20 33 26.03 -20 53 48.9
Date first 1991 Date last 2018 Obs 5
Pa first 291 Pa last 332.9 P.A. Now (θ) 332.9°
Sep first 0.2 Sep last 0.267 Sep. Now (ρ) 0.267"
Mag pri 9.29 Mag sec 11.34 delta mag (ΔM) 2.05 Spectral class A9V (white)
Pri motion ra -004 Sec motion ra
Pri motion dec +004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 195678 Constellation Capricornus SAO 189423 HIP 101437
Tycho2 6342-01071-1 Gaia DR2 6856522938510910592 HD 195678 BD BD-21 5752
Distance 248.76 Distance ly 811.46
 
 
WDS 20334-2054 HDS 2937 (HD 195678) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20334-2054 HDS2937 1991 1 291 0.2 9.29 11.34 A9V X 203326.03-205348.9
20334-2054 HDS2937 2014 2 152 0.3 9.29 11.34 A9V X 203326.03-205348.9
20334-2054 HDS2937 2018 5 333 0.3 9.29 11.34 A9V X 203326.03-205348.9

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20334-2054 HDS 2937 (HD 195678) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20334-2054 HDS 2937 (HD 195678) : MEASURES
 
 
No records found.

 
 
WDS 20334-2054 (HD 195678) : VIRTUAL EYEPIECE
 
 

20334-2054 HDS2937A mag 9.29 Sp A9V 20334-2054 HDS2937B sep 0.3 P.A. 334.40 mag 11.34 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20334-2054 (HD 195678) : ALADIN DSS IMAGE @ 20h 33m 26.03s -20° 53' 48.9"
 
 
 
 
WDS 20334-2054 HDS 2937 (HD 195678) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20334-2054 HDS2937 distance=0' 20330-2117 ARA1582 distance=24' 20354-2037 ARA1212 distance=33' 20342-2024 BHA 40 distance=33' 20310-2039 BRT2231 distance=38' 20363-2113 ARA1583 distance=45' 20358-2019 CVR1706 distance=49' 20345-2008 B 493 distance=49' 20325-2142 SEE 420 distance=50' 20333-2004 B 492 distance=51' 20361-2127 UC 4229 distance=51' 20320-2006 ARA1209 distance=53' 20384-2100 RST9008 distance=71' 20305-1955 OCC 190 distance=72' 20283-2048 CVR 870 distance=73' 20360-1948 AOT 85 distance=76' 20322-2209 HJ 2973AB distance=78' 20322-2209 OCC 674Ba,Bb distance=78' 20335-2214 HJ 2975 distance=81' 20327-2213 UC 4210 distance=81' 20346-2219 LDS4850 distance=87' 20292-1943 GWP2958 distance=93' 20369-1934 AOT 87 distance=94' 20270-2023 DON 986 distance=95' 20297-2220 OCC 675 distance=101' 20399-2008 I 1426 distance=101' 20342-1913 UC 4217 distance=102' 20289-1928 SHN 245 distance=107' 20289-2220 DON 987 distance=107' 20368-2239 KPP1705 distance=115' 20253-2128 ARA1581 distance=118' 20400-1940 AOT 92 distance=119' 20346-1856 UC 4219AB distance=120' 20415-2012 ARA1213 distance=120' 20383-2234 ARA1932 distance=122' 20292-2240 RST3261 distance=122' 20421-2117 B 1894 distance=124' 20363-1856 TOK 339AB distance=125' 20363-1856 TOK 339Aa,Ab distance=125' 20246-2111 B 1893 distance=126' 20422-2122 ARA1584 distance=127' 20381-2244 B 497 distance=128' 20395-2230 WIS 340 distance=128' 20253-2154 ARA1929 distance=129' 20399-1918 AOT 91 distance=132' 20270-2234 OCC1133 distance=134' 20274-1909 B 2485 distance=136' 20311-1842 LDS4847 distance=137' 20432-2049 CHR 222AB distance=137' 20432-2049 CVR 8AB,C distance=137' 20245-2150 ARA1927 distance=138' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20334-2054 HDS2937 333 0.3
Show 20330-2117 ARA1582 7 8.2 24
Show 20354-2037 ARA1212 38 12.4 33
Show 20342-2024 BHA 40 77 7.2 33
Show 20310-2039 BRT2231 84 3.0 38
Show 20363-2113 ARA1583 309 5.8 45
Show 20358-2019 CVR1706 300 4.2 49
Show 20345-2008 B 493 285 1.0 49
Show 20325-2142 SEE 420 84 1.6 50
Show 20333-2004 B 492 91 3.1 51
Show 20361-2127 UC 4229 313 14.3 51
Show 20320-2006 ARA1209 278 5.8 53
Show 20384-2100 RST9008 102 0.1 71
Show 20305-1955 OCC 190 -1 0.1 72
Show 20283-2048 CVR 870 313 29.2 73
Show 20360-1948 AOT 85 245 9.1 76
Show 20322-2209 HJ 2973 AB 129 39.4 78
Show 20322-2209 OCC 674 Ba,Bb -1 0.1 78
Show 20335-2214 HJ 2975 21 10.3 81
Show 20327-2213 UC 4210 172 46.3 81
Show 20346-2219 LDS4850 18 89.2 87
Show 20292-1943 GWP2958 276 49.3 93
Show 20369-1934 AOT 87 133 24.9 94
Show 20270-2023 DON 986 127 0.6 95
Show 20297-2220 OCC 675 -1 0.1 101
Show 20399-2008 I 1426 225 1.6 101
Show 20342-1913 UC 4217 245 25.2 102
Show 20289-1928 SHN 245 -1 0.1 107
Show 20289-2220 DON 987 77 5.7 107
Show 20368-2239 KPP1705 335 13.2 115
Show 20253-2128 ARA1581 142 14.9 118
Show 20400-1940 AOT 92 277 17.5 119
Show 20346-1856 UC 4219 AB 177 61.5 120
Show 20415-2012 ARA1213 245 1.3 120
Show 20383-2234 ARA1932 215 12.6 122
Show 20292-2240 RST3261 24 2.0 122
Show 20421-2117 B 1894 207 0.4 124
Show 20363-1856 TOK 339 AB 61 169.2 125
Show 20363-1856 TOK 339 Aa,Ab 44 1.7 125
Show 20246-2111 B 1893 58 2.3 126
Show 20422-2122 ARA1584 1 11.7 127
Show 20381-2244 B 497 275 0.6 128
Show 20395-2230 WIS 340 327 104.3 128
Show 20253-2154 ARA1929 303 7.7 129
Show 20399-1918 AOT 91 192 17.9 132
Show 20270-2234 OCC1133 -1 0.2 134
Show 20274-1909 B 2485 116 1.8 136
Show 20311-1842 LDS4847 23 2.9 137
Show 20432-2049 CHR 222 AB 123 0.2 137
Show 20432-2049 CVR 8 AB,C 307 13.6 137
Show 20245-2150 ARA1927 196 8.4 138

 
 
WDS 20334-2054 : COMPONENTS
 
 
  A
B pa=334.4°
sep=0.26"
 
 
20334-2054 A
 
 
Componente originario normalizzato AB Name HD 195678 Coord arcsec 2000 203326.03-205348.9 Mag 9.29
Spectral class A9V (white) PmRA -4.00 PmDE 4.0 SAO 189423
HIP 101437 Tycho2 6342-01071-1 HD 195678 BD BD-21 5752
Tycho2
Tycho2 6342-01071-1 Pflag RAmdeg 308.35848080 DEmdeg -20.89691669
PmRA 1.0 PmDE 3.9 E RAmdeg 10 E DEmdeg 11
E pmRA 0.9 E pmDE 0.9 EpRAm 1988.69 EpDEm 1987.42
Num 20 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.0
Q pmDE 1.1 BTmag 9.449 E BTmag 0.021 VTmag 9.109
E VTmag 0.020 Prox 999 TYC T HIP 101437
CCDM AB RAdeg 308.35847750 DEdeg -20.89692833 EpRA 1990 1.73
EpDE 1990 1.44 E RAdeg 10.7 E DEdeg 12.8 Posflg P
Corr -0.1
SAO
SAO 189423 DelFlag RA1950 PmRA1950 -0.0011
DE1950 PmDE1950 0.002 Vmag 8.9 SpType A5
Double code Source 23 CatNum 8810 DM BD-21 5752
DMcomp BDsup HD 195678 M HD 0
GC RA1950rad 5.36921669 DE1950rad -0.36771335 PmRA2000 -0.0011
PmDE2000 0
Hipparcos
Catalog H HIP 101437 Proxy H RAhms 20 33 26.03
DEdms -20 53 48.9 Vmag 9.06 VarFlag R Vmag H
RAdeg 308.358 DEdeg -20.8969 AstroRef * Plx 4.79
CCDM 20334-2054 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual B M HIP AB
Theta 291 Rho 0.187 HD 195678 BD BD-21 5752
CD CP Dm number -21 5752 VIred 0.33
SpType A9V R SpType Coord arcsec 2000 203326.03-205348.9
Hipparcos 2
HIP 101437 Sn 55 So 3 Nc 2
RArad 5.3818707091 DErad -0.3647201668 Plx 4.02 PmRA -4.12
PmDE 1.6 E RArad 1.14 E DErad 0.69 E Plx 1.26
E pmRA 1.4 E pmDE 0.83 Hpmag 9.1334 E Hpmag 0.0024
SHp 0.017 VA 0 BV 0.287 E BV 0.032
VI 0.33
CCDM
Ccdm 20334-2054 RComp Comp A Note1
Note2 Discov num DRAs 2.04 DDEs 11.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.3 Sp A9 PmNote *
PmRA -4 PmDE 4 Dm number -21 5752 Cat1 BD
Name2 189423 Cat2 SAO HD 195678 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 101437
 
 
20334-2054 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203326.02-205348.7 Mag 11.34 Calc delta mag 2.05
Calc coord yes
CCDM
Ccdm 20334-2054 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.02 DDEs 11.2
R dRAs 82 Year 1991 Theta 291 Rho 0.2
Obs 1 Vmag 11.3 Sp PmNote *
PmRA -4 PmDE 4 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 101437